No, sadly there is no web browser and there will never be any since the X-Fi2 doesn't have any wireless. The RSS reader just loads feeds through usb so you can read them later on.
The Zen X-Fi does have wireless but you can only use it to stream audio from your computer to the player or use instant messaging like MSN.

If you want to browse the internet on a music player you'd have to look at other brands. For example Cowon and Archos have some models with wifi, or the iPod Touch.

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